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Composite optical element
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Patent number 8,537,475
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Issue date Sep 17, 2013
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Panasonic Corporation
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Jun Murata
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Composite optical element
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Patent number 8,077,392
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Issue date Dec 13, 2011
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Panasonic Corporation
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Jun Murata
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method of press molding lens material
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Patent number 5,032,160
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Issue date Jul 16, 1991
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Matsushita Electric Industrial Co., Ltd.
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Jun Murata
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL